Purposes and methods of curve ranging, types of curve construction, terms, solving setting out curve calculation from following methods and procedures in performing setting out curve (ES)
LESSON OBJECTIVE
6.1 Explain the purpose and methods of curve ranging
6.1.1 List the purpose of curve ranging.
6.1.2 Classify types of curve construction;
a. Horizontal curve
b. Vertical curve
6.1.3 List the terms used in curve ranging.
6.1.4 Solve the setting out for circular curve using the offset from following methods;
a. Tangent line
b. The long chord
c. Deflection angle using theodolite
6.1.5 List the procedures and perform circular curve setting out as in
6.2 Organize the field work with curve ranging standard procedure and methods in a team.
6.2.1 Follow instructions to conduct field work by using offset from;
a. Tangent line
b. Deflection angle using theodolite